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DIGITAL FOCUS

Article Abstract:

The digital age has brought forth many improvements with electronics and has led to the invention of cameras which includes features that previously were only imaginable. Advice is offered for photographers eager to take the step into the digital world, with information on the basics to get started to expanding a collection which is already on its way. Reviewed items include products from NEC, Sony, Mitsubishi, Nokia, Eizo and Panasonic, among others. The features and prices for these items are listed.

Sigma 1.4X and 2X APO teleconverters: how is optical quality when you boost the 70-200mm f/2.8 Sigma to 98-280mm f/4 or 140-400mm f/5.6?

Article Abstract:

The Signma 1.4X and 2X teleconverters are designed to work with the new 70-200 f/2.8 lens. There is no loss of autofocus use or but some speed loss with the 2X, depending upon the amount of light. Test results show the 1.4X to be average, the 2X below average. Prices are $286 and $324 respectively.